<div class="container">
    <h1>网站表单</h1>
    <form>
      <div class="form-group">
        <label for="name">网站名</label>
        <input type="text" class="form-control" id="name" required>
      </div>
      <div class="form-group">
        <label for="alterEgo">alexa 排名</label>
        <input type="text" class="form-control" id="alexa">
      </div>
      <button type="submit" class="btn btn-default">提交</button>
    </form>
</div>